Triple

T17102085
Position Surface form Disambiguated ID Type / Status
Subject Millennium Bridge (southern end) E415002 entity
Predicate closestUndergroundStation P26735 FINISHED
Object Southwark Underground station (approximate)
Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
E1251677 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Southwark Underground station (approximate) | Statement: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southwark Underground station (approximate)
Context triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
  • A. Bermondsey Underground station
    Bermondsey Underground station is a London Underground station in southeast London served by the Jubilee line.
  • B. Battersea Power Station Underground station
    Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
  • C. North Greenwich Underground station
    North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
  • D. Tower Hill Underground station
    Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
  • E. Elephant & Castle Underground station
    Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Southwark Underground station (approximate)
Triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
Generated description
Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southwark Underground station (approximate)
Target entity description: Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
  • A. Bermondsey Underground station
    Bermondsey Underground station is a London Underground station in southeast London served by the Jubilee line.
  • B. Battersea Power Station Underground station
    Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
  • C. North Greenwich Underground station
    North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
  • D. Tower Hill Underground station
    Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
  • E. Elephant & Castle Underground station
    Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: closestUndergroundStation
Context triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
  • A. nearestUndergroundStation chosen
    Indicates the relationship where a specific underground (subway/metro) station is the closest one in distance to a given location or entity.
  • B. nearestSuburbanRailwayStation
    Indicates the relationship where a given place is associated with the suburban railway station that is geographically closest to it.
  • C. nearestEntranceStation
    Indicates that one station is the closest entrance station to a given location or entity compared to all other candidate stations.
  • D. nearestPassengerRailStation
    Indicates that one entity is the closest passenger rail station in distance to another entity.
  • E. nearestMajorTransportHub
    Indicates that one location is the closest significant transportation center (such as a major train station, airport, or bus terminal) to another location.
  • F. None of above.

Provenance (6 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d886cfc8e88190b05ba466edd35591 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3dc239a088190a776fe0f4361ffc7 completed April 18, 2026, 7:31 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0139fdda488190a1ca5c7ca875e044 completed May 11, 2026, 2:07 a.m.
NEDg Description generation batch_6a013c4c0e6c8190a66fdee15f928444 completed May 11, 2026, 2:17 a.m.
NED2 Entity disambiguation (via description) batch_6a013cc0559881909a903ee05562b658 completed May 11, 2026, 2:19 a.m.
PD Predicate disambiguation batch_69e35d6b1b988190a8d6b6fe78c35e59 completed April 18, 2026, 10:31 a.m.
Created at: April 10, 2026, 5:35 a.m.